Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515021 | Intervalometer time measurement apparatus and method | David R. Wallace, James Michael Korba, James E. Matson | 1985-05-07 |
| 4336719 | Ultrasonic flowmeters using waveguide antennas | — | 1982-06-29 |
| 4320659 | Ultrasonic system for measuring fluid impedance or liquid level | John L. Seger, James E. Bradshaw | 1982-03-23 |
| 4308754 | Ultrasonic flowmeter | Norman E. Pedersen, James E. Bradshaw, James E. Matson | 1982-01-05 |
| 4297607 | Sealed, matched piezoelectric transducer | Kenneth A. Fowler, Dana R. Patch | 1981-10-27 |
| 4286470 | Clamp-on ultrasonic transducer | — | 1981-09-01 |
| 4193291 | Slow torsional wave densitometer | — | 1980-03-18 |